HP Cisco MDS 9120 Cisco Nexus 5000 Series Command Reference Release 4.0(1a)N2( - Page 284

show spanning-tree root Chapter 3 Ethernet Show Commands Send comments to [email protected] show spanning-tree root To display the status and configuration of the root bridge, use the show spanning-tree root command. show spanning-tree root [address | brief | cost | detail | forward-time | hello-time | id | max-age | port | priority [system-id]] Syntax Description address brief cost detail forward-time hello-time id max-age port priority system-id (Optional) Displays the MAC address for the STP root bridge. (Optional) Displays a brief summary of the status and configuration for the the root bridge. (Optional) Displays path cost from the root to this bridge. (Optional) Displays detailed information on the status and configuration for the root bridge. (Optional) Displays the STP forward delay interval for the root bridge. (Optional) Displays the STP hello time for the root bridge. (Optional) Displays the STP bridge identifier for the root bridge. (Optional) Displays the STP maximum-aging time for the root bridge. (Optional) Displays which port is the root port. (Optional) Displays the bridge priority for the root bridge. (Optional) Displays the bridge identifier with the system ID extension for the root bridge. Command Default None Command Modes EXEC mode Command History Release 4.0(0)N1(1a) Modification This command was introduced. Examples This example shows how to display information for the root bridge: switch(config)# show spanning-tree root Related Commands Command show spanning-tree show spanning-tree active show spanning-tree bridge Description Displays information STP. Displays information about STP active interfaces only. Displays bridge ID, timers, and protocol for the local bridge on the switch. 3-30 Cisco Nexus 5000 Series Command Reference OL-16599-01